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SUSE:SLE-12-SP3:Update
xen
tools-libxc-add-interface-for-GNTTABOP_query_si...
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File tools-libxc-add-interface-for-GNTTABOP_query_size.patch of Package xen
From: Dongli Zhang <dongli.zhang@oracle.com> Date: Mon, 3 Jul 2017 07:34:12 +0800 Subject: tools/libxc: add interface for GNTTABOP_query_size Patch-mainline: 4.10.0-rc1 Git-commit: 04e0457e1e786a3a33d1854275fd6cd7ba6306f7 This patch adds new interface for GNTTABOP_query_size in libxc to help query the current grant table frames and maximum grant table frames for a specific domain. Signed-off-by: Dongli Zhang <dongli.zhang@oracle.com> Acked-by: Wei Liu <wei.liu2@citrix.com> --- tools/libxc/include/xenctrl.h | 1 + tools/libxc/xc_gnttab.c | 12 ++++++++++++ 2 files changed, 13 insertions(+) Index: xen-4.9.4-testing/tools/libxc/include/xenctrl.h =================================================================== --- xen-4.9.4-testing.orig/tools/libxc/include/xenctrl.h +++ xen-4.9.4-testing/tools/libxc/include/xenctrl.h @@ -1597,6 +1597,7 @@ int xc_gnttab_op(xc_interface *xch, int void * op, int op_size, int count); /* Logs iff hypercall bounce fails, otherwise doesn't. */ +int xc_gnttab_query_size(xc_interface *xch, struct gnttab_query_size *query); int xc_gnttab_get_version(xc_interface *xch, int domid); /* Never logs */ grant_entry_v1_t *xc_gnttab_map_table_v1(xc_interface *xch, int domid, int *gnt_num); grant_entry_v2_t *xc_gnttab_map_table_v2(xc_interface *xch, int domid, int *gnt_num); Index: xen-4.9.4-testing/tools/libxc/xc_gnttab.c =================================================================== --- xen-4.9.4-testing.orig/tools/libxc/xc_gnttab.c +++ xen-4.9.4-testing/tools/libxc/xc_gnttab.c @@ -38,6 +38,18 @@ int xc_gnttab_op(xc_interface *xch, int return ret; } +int xc_gnttab_query_size(xc_interface *xch, struct gnttab_query_size *query) +{ + int rc; + + rc = xc_gnttab_op(xch, GNTTABOP_query_size, query, sizeof(*query), 1); + + if ( rc || (query->status != GNTST_okay) ) + ERROR("Could not query dom %u's grant size\n", query->dom); + + return rc; +} + int xc_gnttab_get_version(xc_interface *xch, int domid) { struct gnttab_get_version query;
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